The OSI C1P alternative boot file format works, but the code in the
source listing does not match the ASCII-coded hex translation (which
is actually used). This is confusing to anyone trying to maintain the
code.
Also, the source code did not assemble when ASM is defined.
Also removed use of branch macros and an unnecessary "<" operator.
With these changes the source file should correctly match what
is used at run time.
The name RAM doesn't make much sense in general for a memeory area because i.e. the zero page is for sure RAM but is not part of the memory area named RAM.
For disk based targets it makes sense to put the disk file more into focus and here MAIN means the main part of the file - in contrast to some header.
Only for ROM based targets the name RAM is kept as it makes sense to focus on the difference between RAM and ROM.